A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

125.5 mm from A

109.5 mm from A

119.5 mm from A

132.5 mm from A

125.5 mm from A

109.5 mm from A

119.5 mm from A

132.5 mm from A

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Applied Mechanics and Graphic Statics
If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

P sin θ/P + Q tan θ

P sin θ/P - Q cos θ

Q sin θ/P + Q cos θ

Q sin θ/P + Q sin θ

P sin θ/P + Q tan θ

P sin θ/P - Q cos θ

Q sin θ/P + Q cos θ

Q sin θ/P + Q sin θ

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Applied Mechanics and Graphic Statics
The following statement is one of the laws of Dynamic friction

The force of friction always acts in a direction opposite to that in which a body is moving

For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed

The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction

All of these

The force of friction always acts in a direction opposite to that in which a body is moving

For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed

The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction

All of these

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Applied Mechanics and Graphic Statics
If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

P - Q

Q/P

P/Q

P + Q

P - Q

Q/P

P/Q

P + Q

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Applied Mechanics and Graphic Statics
The vertical reaction at the support ‘A’ of the structure shown in below figure, is

1 t

2 t

3 t

3.5 t

1 t

2 t

3 t

3.5 t

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Applied Mechanics and Graphic Statics
A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

1.0 m/sec

0.5 m/sec

2.5 m/sec

1.5 m/sec

1.0 m/sec

0.5 m/sec

2.5 m/sec

1.5 m/sec

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

Applied Mechanics and Graphic Statics The following statement is one of the laws of Dynamic friction

Applied Mechanics and Graphic Statics If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is

Applied Mechanics and Graphic Statics A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

Applied Mechanics and Graphic Statics
A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is

Applied Mechanics and Graphic Statics
If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals

Applied Mechanics and Graphic Statics
The following statement is one of the laws of Dynamic friction

Applied Mechanics and Graphic Statics
If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is

Applied Mechanics and Graphic Statics
The vertical reaction at the support ‘A’ of the structure shown in below figure, is

Applied Mechanics and Graphic Statics
A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is